// writes any initial context
private void WriteInitialContext(StonTokenWriter writer, IStonInitialContext context)
{
if (context is IStonAncestorInitialContext)
{
WriteInitialContext(writer, context as IStonAncestorInitialContext);
}
else if (context is IStonGlobalEntityInitialContext)
{
WriteInitialContext(writer, context as IStonGlobalEntityInitialContext);
}
else
{
throw new StonImplementationException(context.GetType(), typeof(IStonInitialContext), typeof(IStonAncestorInitialContext), typeof(IStonGlobalEntityInitialContext));
}
}
/// <summary>
/// Creates a structurally equivalent initial context from a given context.
/// </summary>
/// <param name="context">The context to copy the structure of.</param>
/// <returns>A structurally equivalent copy of the given context.</returns>
public static IStonInitialContext Copy(IStonInitialContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (context is IStonAncestorInitialContext)
{
return(StonAncestorInitialContext.Copy(context as IStonAncestorInitialContext));
}
if (context is IStonGlobalEntityInitialContext)
{
return(StonGlobalEntityInitialContext.Copy(context as IStonGlobalEntityInitialContext));
}
throw new StonImplementationException(context.GetType(), typeof(IStonInitialContext), typeof(IStonAncestorInitialContext), typeof(IStonGlobalEntityInitialContext));
}
/// <summary>
/// Checks the validity of a given STON initial context.
/// </summary>
/// <param name="initialContext">The initial context to check the validity of.</param>
public static void ValidateInitialContext(IStonInitialContext initialContext)
{
if (initialContext == null)
{
throw new ArgumentNullException("initialContext");
}
else if (initialContext is IStonAncestorInitialContext)
{
ValidateInitialContext(initialContext as IStonAncestorInitialContext);
}
else if (initialContext is IStonGlobalEntityInitialContext)
{
ValidateInitialContext(initialContext as IStonGlobalEntityInitialContext);
}
else
{
throw new StonImplementationException(initialContext.GetType(), typeof(IStonInitialContext), typeof(IStonAncestorInitialContext), typeof(IStonGlobalEntityInitialContext));
}
}